Shit My Dick Share definition Flag "Shit my dick" is an exclamatory sentence said when you are in awe. Usually said after an "oh". Person 1: "Casey slept with Jimmy and Devon last night.Person 2: "Oh, shit my dick!" Shit My Dick by UrbanLynx March 18, 2010 0 0 Get merch Get the Shit My Dick mug. Buy Now — $32.95 See more merch